211328873

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 44138647

約数列:

[1, 7, 47, 71, 83, 109, 329, 497, 581, 763, 3337, 3901, 5123, 5893, 7739, 9047, 23359, 27307, 35861, 41251, 54173, 63329, 276971, 363733, 425209, 642337, 1938797, 2546131, 2976463, 4496359, 30189839, 211328873]

約数ペア:

[(1, 211328873), (7, 30189839), (47, 4496359), (71, 2976463), (83, 2546131), (109, 1938797), (329, 642337), (497, 425209), (581, 363733), (763, 276971), (3337, 63329), (3901, 54173), (5123, 41251), (5893, 35861), (7739, 27307), (9047, 23359)]